Home
Forum
Photos
Boatmad.com
>
Boat Mad Community Forums
>
General Boating Discussion
2.5 efi won't rev over 5000 rpm
Click Here to Login
Register
FAQ
Members List
Calendar
Search
Today's Posts
Mark Forums Read
Log in
Thread Tools
Display Modes
16-06-2014, 01:31 PM
#
1
the rat
Registered User
Country: thornton
Occupation: kitchen supplier and installer
Boat name: roofless
Boat make: phantom/talon 18's/scarab 21,Larson 254 cabrio
Engines: V8
Cruising area: wyre/morcambe bay
Join Date: Apr 2008
Posts: 312
2.5 efi won't rev over 5000 rpm
2.5efi on p18 runs great up to 5000 rpm the pulls back if full throttles applied,anyone any idea what the problem might be,props a 26 pitch 3 blade
__________________
16-06-2014, 04:43 PM
#
2
beyondhelp
Registered User
Country: UK
Location: Surrey
Occupation: Motorsport Development inc Engine Managment
Boat make: 21ft
Engines: Various
Cruising area: Solent / Kent / Cornwall
Join Date: Oct 2011
Location: Surrey
Posts: 375
What do the plugs look like?
__________________
16-06-2014, 06:29 PM
#
3
the rat
Registered User
Country: thornton
Occupation: kitchen supplier and installer
Boat name: roofless
Boat make: phantom/talon 18's/scarab 21,Larson 254 cabrio
Engines: V8
Cruising area: wyre/morcambe bay
Join Date: Apr 2008
Posts: 312
Quote:
Originally Posted by
beyondhelp
What do the plugs look like?
Brand new,only run for 1hr,seems to get too much air if I give it full throttle
16-06-2014, 06:38 PM
#
4
beyondhelp
Registered User
Country: UK
Location: Surrey
Occupation: Motorsport Development inc Engine Managment
Boat make: 21ft
Engines: Various
Cruising area: Solent / Kent / Cornwall
Join Date: Oct 2011
Location: Surrey
Posts: 375
So signs of running lean?
16-06-2014, 08:57 PM
#
5
the rat
Registered User
Country: thornton
Occupation: kitchen supplier and installer
Boat name: roofless
Boat make: phantom/talon 18's/scarab 21,Larson 254 cabrio
Engines: V8
Cruising area: wyre/morcambe bay
Join Date: Apr 2008
Posts: 312
Quote:
Originally Posted by
beyondhelp
So signs of running lean?
Not checked them yet but will do at the wknd,I'm on an analogue ecu if that helps?
16-06-2014, 09:32 PM
#
6
maz928
Registered User
Country: England
Location: Poole
Interests: Boats/cars
Boat make: Boss 21/Argentinian HotBoat
Engines: Mercury 2.5 Offshore
Cruising area: Poole/Solent
Join Date: Jul 2007
Location: Poole
Posts: 325
I'd check the throttle positioning sensor and then the high speed coils on the stator ....
16-06-2014, 10:14 PM
#
7
the rat
Registered User
Country: thornton
Occupation: kitchen supplier and installer
Boat name: roofless
Boat make: phantom/talon 18's/scarab 21,Larson 254 cabrio
Engines: V8
Cruising area: wyre/morcambe bay
Join Date: Apr 2008
Posts: 312
Quote:
Originally Posted by
maz928
I'd check the throttle positioning sensor and then the high speed coils on the stator ....
I have a spare sensor so will try that,stator should be ok as it's quite new tho I've a spare and will change that too,thanks
16-06-2014, 10:42 PM
#
8
beyondhelp
Registered User
Country: UK
Location: Surrey
Occupation: Motorsport Development inc Engine Managment
Boat make: 21ft
Engines: Various
Cruising area: Solent / Kent / Cornwall
Join Date: Oct 2011
Location: Surrey
Posts: 375
Quote:
Originally Posted by
maz928
I'd check the throttle positioning sensor and then the high speed coils on the stator ....
Good idea that.
__________________
«
Phantom 21
|
Phantom 21 Racedeck
»
Thread Tools
Show Printable Version
Email this Page
Display Modes
Linear Mode
Switch to Hybrid Mode
Switch to Threaded Mode
Posting Rules
You
may not
post new threads
You
may not
post replies
You
may not
post attachments
You
may not
edit your posts
BB code
is
On
Smilies
are
On
[IMG]
code is
On
HTML code is
Off
Trackbacks
are
Off
Pingbacks
are
Off
Refbacks
are
Off
Forum Rules
» Recent Threads
WTB Mercury racing cowling
Mercury xr2 powerhead
For Sale Various
Speedo oil filled
Foot throttle for sale
Rev, four 19p
Clever, 21s left and right match...
Hydro motive 25 left hand
Hydro motives 24 p Left and right
Laser 2. 21p left and right prop
Mercury 200efi powerhead wanted
For sale phantom 23
Wanted
Trying to Track down Levi 28 based...
18 phantom max engine?
Lewis pontoonboat
Maritimo class1 cat
Merc 2.5 powerhead for Sale
Props for sale
Verado 275hp parts
Powered by
vBadvanced
CMPS v3.2.3
All times are GMT +1. The time now is
04:23 PM
.
-- BoatMad
-- Mobile
Contact Us
-
boatmad.com
-
Archive
-
Community Rules
-
Terms of Service
-
Privacy
-
Accessibility
-
Top
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
×